mouse TS23
  embryo
  cavities and their linings
  limb
  mesenchyme
  vertebral axis muscle system
  organ system
  gland
  adrenal gland
  haemolymphoid system
  spleen primordium
  thymus primordium:  11  12  13  14  15 
  visceral organ
  alimentary system
  oral region
  gland
  salivary gland
  sublingual gland primordium
  submandibular gland primordium:  07  08  09  10  16  17  18  19 
  epithelium
  mesenchyme
  parotid
  epiglottis
  lower jaw
  oral cavity
  oral epithelium
  upper jaw
  gut
  anal region
  liver and biliary system
  common bile duct
  cystic duct
  gall bladder
  hepatic duct
  liver:  01  02  03  04  05  06  07  08  09  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24 
  lobe
  renal/urinary system
  reproductive system
  respiratory system
  nervous system
  central nervous system
  brain
  ganglion
  cranial
  facial VII
  glossopharyngeal IX
  trigeminal V:  09  17 
  vagus X
  vestibulocochlear VIII
  nerve
  spinal cord
  peripheral nervous system
  autonomic
  spinal
  ganglion
  dorsal root ganglion:  09  10  15  16  17  18 
  nerve plexus
  integumental system
  sensory organ
  ear
  eye
  nose
  meatus
  naris:  11  15 
  anterior
  external
  posterior
  primary choana
  nasal capsule
  nasal cavity
  epithelium
  olfactory:  08  09  10  11  12  13  14  15  16  17  18 
  respiratory:  11  14  15 
  nasal septum
  naso-lacrimal duct
  turbinate bones
  vomeronasal organ
  cardiovascular system
  skeleton
  tail
  extraembryonic component